#!/usr/bin/evn python
#-*- coding: utf-8 -*-

' a test module '

__author__ = 'beangou'

import sys

def test():
	args = sys.argv
	if len(args) == 1:
		print 'hello, world'
	elif len(args) == 2:
		print 'hello, %s!' % args[1]
	else:
		print 'Too many arguments!'

if __name__ == '__main__':
	test()
